September weather in Onaway, ID
The average temperature in Onaway in September is 57.9°F (41.6°F–74.1°F). Average precipitation: 0.95 inches.
September is a fall month in Onaway, and is warmer than the annual average of 46.9°F. Daily temperatures swing about 32.5°F between overnight low and afternoon high. Expect about 4 days with precipitation. Daylight averages about 12h 19m. For travel, September is a comfortable month to visit.
Avg High
74.1°F
Avg Low
41.6°F
Precipitation
0.95 in
Daylight
12h 19m
September records in Onaway
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 104.0°F (2022) | 23.0°F (1973) | 0.54 in (1971) |
| September 2 | 100.0°F (1950) | 26.1°F (1973) | 0.53 in (1941) |
| September 3 | 100.9°F (1988) | 25.0°F (1975) | 0.81 in (1941) |
| September 4 | 98.1°F (1988) | 27.0°F (1956) | 0.74 in (1960) |
| September 5 | 97.0°F (1955) | 30.0°F (1975) | 0.83 in (1940) |
| September 6 | 97.0°F (1944) | 26.1°F (1969) | 0.66 in (1927) |
| September 7 | 93.9°F (1924) | 25.0°F (1992) | 0.67 in (1926) |
| September 8 | 95.0°F (2024) | 23.0°F (1976) | 0.85 in (2000) |
| September 9 | 91.9°F (1968) | 23.0°F (1976) | 0.75 in (1952) |
| September 10 | 93.0°F (1948) | 23.0°F (1921) | 1.22 in (1983) |
| September 11 | 95.0°F (1996) | 27.0°F (1982) | 0.54 in (2019) |
| September 12 | 98.1°F (1948) | 26.1°F (1921) | 1.35 in (2024) |
| September 13 | 93.9°F (2013) | 21.0°F (1974) | 1.18 in (1927) |
| September 14 | 93.0°F (2002) | 18.0°F (1970) | 1.08 in (1955) |
| September 15 | 93.0°F (1981) | 19.9°F (1970) | 1.15 in (1949) |
| September 16 | 95.0°F (1981) | 21.0°F (1973) | 1.81 in (1947) |
| September 17 | 96.1°F (1981) | 25.0°F (1965) | 0.63 in (1947) |
| September 18 | 96.1°F (1938) | 21.0°F (1971) | 1.34 in (1968) |
| September 19 | 93.9°F (1922) | 21.0°F (1957) | 0.92 in (1988) |
| September 20 | 95.0°F (1939) | 18.0°F (1983) | 0.84 in (2008) |
| September 21 | 93.9°F (1938) | 21.0°F (1971) | 0.67 in (2006) |
| September 22 | 95.0°F (1966) | 19.9°F (1993) | 1.05 in (1926) |
| September 23 | 93.0°F (1938) | 19.0°F (1981) | 2.00 in (1926) |
| September 24 | 90.0°F (1952) | 14.0°F (1926) | 1.03 in (1992) |
| September 25 | 91.9°F (1943) | 19.9°F (1926) | 0.99 in (1998) |
| September 26 | 91.9°F (1963) | 21.0°F (1975) | 1.65 in (1947) |
| September 27 | 93.0°F (1963) | 19.9°F (1974) | 0.59 in (1988) |
| September 28 | 93.0°F (1963) | 19.0°F (1983) | 0.44 in (1995) |
| September 29 | 93.0°F (1963) | 16.0°F (1983) | 0.65 in (1944) |
| September 30 | 91.0°F (1963) | 21.9°F (1974) | 1.62 in (2022) |